Patents by Inventor Ka Ram Shin

Ka Ram Shin has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Water softener
    Patent number: D763407
    Type: Grant
    Filed: July 21, 2015
    Date of Patent: August 9, 2016
    Assignee: Coway Co., Ltd.
    Inventor: Ka Ram Shin
  • Water purifier
    Patent number: D999336
    Type: Grant
    Filed: August 10, 2021
    Date of Patent: September 19, 2023
    Assignee: COWAY CO., LTD.
    Inventors: Ka Ram Shin, Na Ri Lee, Ji In Hong